Fiye da mutane dubu 30 a cikin binciken likitoci na Spain. Masana kimiyya sun kwatanta watanni suna da 27 cututtuka daban-daban kuma gano cewa canje-canje na yanayi da kuma ƙwayoyin tayin na yanayi da kuma a nan gaba - akan lafiyar ɗan adam.
A cikin 2015, an gudanar da wani binciken da aka gudanar a Jami'ar Columbia. Marubutan rahoton sun yanke hukuncin cewa mutane da aka haifa a wataƙila suna da saukin kamuwa da haɗarin cututtukan rauni, sabanin waɗanda suka bayyana a watan Oktoba. Da masana kimiyya na jami'ar Oxford NORNTER ta dage wajen akasin haka. Wannan shine dalilin da ya sa likitoci likitoci bayar da shawarar da ba su yarda da makanta a cikin waɗannan karatun, tunda lafiya ke dogaro da sabani, canje-canje masu alaƙa da rayuwa.
Janairu
Maza: maƙarƙashiya, ciwon ciki na ciki, ƙananan ciwon baya
Mata: Migraine, conta nauyi, infarction
Fabrairu
Maza: Matsaloli da glandar thyroid, cutar zuciya, arthrosis
Mata: Arthrosis, Matsaloli tare da glandar thyroid, thrombososis
Maris
Maza: Cataract, cutar zuciya, asthma
Mata: Arthritis, rheumatism, maƙarƙashiya
Afrilu
Maza: Asshma, Osteoporosis, Matsaloli tare da GlandKwnroid
Mata: Osteoporosis, ƙari, mashako
Yiwu
Maza: Bacin rai, Asma, ciwon sukari
Mata: na kullum alergy, osteoporosis, maƙarƙashiya
Yuni
Maza: Cutar cututtukan zuciya, Cutaract, Cloch Branchitis
Mata: rashin daidaituwa, amosaninta, rheumatism
Yuli
Maza: Arthritis, asma, ƙari, ƙari.
Mata : Likici na yau da kullun, asthma, ciwace-ciwacen daji
Agusta
Maza: Asshma, Osteoporosis, Matsaloli tare da GlandKwnroid
Mata: thrombosis, amosanin gabbai, rheumatism
Satumba
Maza: Asshma, Osteoporosis, Matsaloli tare da GlandKwnroid
Mata: Osteoporosis, matsaloli tare da glandar thyroid, ciwace-ciwacen mahaifa
Oktoba
Maza: Matsaloli tare da glandar thyroid, Osteoporosis, Migraine
Mata: Babban cholesterol, osteoporosis, anemia
Nuwamba
Maza: Matsalolin fata na fata, cutar zuciya, matsalolin thyroid
Mata: maƙarƙashiya, bugun zuciya, varidicose jijiyoyin
Disamba
Maza: Catacacac, bacin rai, cututtukan zuciya
Mata: na kullum mashahuri, asma, thrombbososis